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思科OSPF辅助地址

编程日记 2024-11-08 08:40:00

实验拓扑图：

6台路由器和1台交换机和3台PC机

R1的配置

R1#

R1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R1(config)#int e0/0

R1(config-if)#ip address 192.168.2.1 255.255.255.0

R1(config-if)#no sh

R1(config-if)#int e0/1

R1(config-if)#ip address 192.168.1.1 255.255.255.0

R1(config-if)#no sh

R1(config-if)#exit

R1(config)#router ospf 1

R1(config-router)#network 192.168.1.0 0.0.0.255 area 1

R1(config-router)#network 192.168.2.0 0.0.0.255 area 1

R1(config-router)#area 1 stub

R1(config-router)#exit

R1(config)#do sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is 192.168.2.2 to network 0.0.0.0

C 192.168.1.0/24 is directly connected, Ethernet0/1

C 192.168.2.0/24 is directly connected, Ethernet0/0

O*IA 0.0.0.0/0 [110/11] via 192.168.2.2, 00:12:13, Ethernet0/0

R1(config)#do sh ip int br

Interface IP-Address OK? Method Status Protocol

Ethernet0/0 192.168.2.1 YES manual up up

Ethernet0/1 192.168.1.1 YES manual up up

Ethernet0/2 unassigned YES unset administratively down down

Ethernet0/3 unassigned YES unset administratively down down

R1(config)#do sh route ospf

route-map ospf not found

R1(config)#do sh ip route ospf

O*IA 0.0.0.0/0 [110/11] via 192.168.2.2, 00:24:05, Ethernet0/0

R1(config)#do sh ip ospf

Routing Process "ospf 1" with ID 192.168.2.1

Start time: 00:17:56.480, Time elapsed: 00:27:19.416

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 0. Checksum Sum 0x000000

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 1. 0 normal 1 stub 0 nssa

Number of areas transit capable is 0

External flood list length 0

Area 1

Number of interfaces in this area is 2

It is a stub area

Area has no authentication

SPF algorithm last executed 00:24:27.172 ago

SPF algorithm executed 4 times

Area ranges are

Number of LSA 4. Checksum Sum 0x02F8C7

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R1(config)#

R2的配置

R2#

R2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R2(config)#int e0/0

R2(config-if)#ip address 192.168.2.2 255.255.255.0

R2(config-if)#no sh

R2(config-if)#int e0/1

R2(config-if)#ip address 192.168.3.1 255.255.255.0

R2(config-if)#no sh

R2(config-if)#exit

R2(config)#router ospf 1

R2(config-router)#network 192.168.2.0 0.0.0.255 area 1

R2(config-router)#network 192.168.3.0 0.0.0.255 area 0

R2(config-router)#area 1 stub no-summary

R2(config-router)#exit

R2(config)#do sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

O E2 192.168.8.0/24 [110/20] via 192.168.3.2, 00:16:30, Ethernet0/1

O IA 192.168.4.0/24 [110/20] via 192.168.3.2, 00:25:41, Ethernet0/1

O IA 192.168.5.0/24 [110/30] via 192.168.3.2, 00:23:03, Ethernet0/1

O IA 192.168.6.0/24 [110/40] via 192.168.3.2, 00:17:20, Ethernet0/1

O E2 192.168.7.0/24 [110/20] via 192.168.3.2, 00:17:15, Ethernet0/1

O 192.168.1.0/24 [110/20] via 192.168.2.1, 00:27:48, Ethernet0/0

C 192.168.2.0/24 is directly connected, Ethernet0/0

C 192.168.3.0/24 is directly connected, Ethernet0/1

R2(config)#do sh ip int br

Interface IP-Address OK? Method Status Protocol

Ethernet0/0 192.168.2.2 YES manual up up

Ethernet0/1 192.168.3.1 YES manual up up

Ethernet0/2 unassigned YES unset administratively down down

Ethernet0/3 unassigned YES unset administratively down down

R2(config)#do sh route os

route-map os not found

R2(config)#do sh route ospf

route-map ospf not found

R2(config)#do sh ip ospf

Routing Process "ospf 1" with ID 192.168.3.1

Start time: 00:19:34.552, Time elapsed: 00:52:54.572

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

It is an area border router

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 2. Checksum Sum 0x00653C

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 2. 1 normal 1 stub 0 nssa

Number of areas transit capable is 0

External flood list length 0

Area BACKBONE(0)

Number of interfaces in this area is 1

Area has no authentication

SPF algorithm last executed 00:49:34.768 ago

SPF algorithm executed 7 times

Area ranges are

Number of LSA 8. Checksum Sum 0x050BD9

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

Area 1

Number of interfaces in this area is 1

It is a stub area, no summary LSA in this area

generates stub default route with cost 1

Area has no authentication

SPF algorithm last executed 00:51:41.580 ago

SPF algorithm executed 5 times

Area ranges are

Number of LSA 4. Checksum Sum 0x02F0CB

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R2(config)#

R3的配置

R3#

R3#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R3(config)#int e0/0

R3(config-if)#ip address 192.168.3.2 255.255.255.0

R3(config-if)#no sh

R3(config-if)#int e0/1

R3(config-if)#ip address 192.168.4.1 255.255.255.0

R3(config-if)#no sh

R3(config-if)#exit

R3(config)#router ospf 1

R3(config-router)#network 192.168.3.0 0.0.0.255 area 0

R3(config-router)#network 192.168.4.0 0.0.0.255 area 2

R3(config-router)#area 2 nssa

R3(config-router)#exit

R3(config)#do sh ip int br

Interface IP-Address OK? Method Status Protocol

Ethernet0/0 192.168.3.2 YES manual up up

Ethernet0/1 192.168.4.1 YES manual up up

Ethernet0/2 unassigned YES unset administratively down down

Ethernet0/3 unassigned YES unset administratively down down

R3(config)#do sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

O N2 192.168.8.0/24 [110/20] via 192.168.4.2, 00:43:11, Ethernet0/1

C 192.168.4.0/24 is directly connected, Ethernet0/1

O 192.168.5.0/24 [110/20] via 192.168.4.2, 00:44:02, Ethernet0/1

O 192.168.6.0/24 [110/30] via 192.168.4.2, 00:44:02, Ethernet0/1

O N2 192.168.7.0/24 [110/20] via 192.168.4.2, 00:44:02, Ethernet0/1

O IA 192.168.1.0/24 [110/30] via 192.168.3.1, 00:44:02, Ethernet0/0

O IA 192.168.2.0/24 [110/20] via 192.168.3.1, 00:44:02, Ethernet0/0

C 192.168.3.0/24 is directly connected, Ethernet0/0

R3(config)#exit

R3#sh ip ospf

Routing Process "ospf 1" with ID 192.168.4.1

Start time: 00:21:31.032, Time elapsed: 00:54:21.640

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

It is an area border and autonomous system boundary router

Redistributing External Routes from,

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 2. Checksum Sum 0x00653C

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 2. 1 normal 0 stub 1 nssa

Number of areas transit capable is 0

External flood list length 0

Area BACKBONE(0)

Number of interfaces in this area is 1

Area has no authentication

SPF algorithm last executed 00:52:58.224 ago

SPF algorithm executed 6 times

Area ranges are

Number of LSA 8. Checksum Sum 0x050BD9

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

Area 2

Number of interfaces in this area is 1

It is a NSSA area

Perform type-7/type-5 LSA translation

Area has no authentication

SPF algorithm last executed 00:44:38.796 ago

SPF algorithm executed 8 times

Area ranges are

Number of LSA 10. Checksum Sum 0x04C12C

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R3#sh ip route ospf

O N2 192.168.8.0/24 [110/20] via 192.168.4.2, 00:45:04, Ethernet0/1

O 192.168.5.0/24 [110/20] via 192.168.4.2, 00:45:54, Ethernet0/1

O 192.168.6.0/24 [110/30] via 192.168.4.2, 00:45:54, Ethernet0/1

O N2 192.168.7.0/24 [110/20] via 192.168.4.2, 00:45:54, Ethernet0/1

O IA 192.168.1.0/24 [110/30] via 192.168.3.1, 00:45:54, Ethernet0/0

O IA 192.168.2.0/24 [110/20] via 192.168.3.1, 00:45:54, Ethernet0/0

R3#

R4的配置

R4#

R4#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R4(config)#int e0/0

R4(config-if)#ip address 192.168.4.2 255.255.255.0

R4(config-if)#no sh

R4(config-if)#int e0/1

R4(config-if)#ip address 192.168.5.1 255.255.255.0

R4(config-if)#no sh

R4(config-if)#exit

R4(config)#router ospf 1

R4(config-router)#network 192.168.4.0 0.0.0.255 area 2

R4(config-router)#network 192.168.5.0 0.0.0.255 area 2

R4(config-router)#area 2 nssa

R4(config-router)#exit

R4(config)#int e0/1

R4(config-if)#ip address 192.168.7.1 255.255.255.0 secondary

R4(config-if)#exit

R4(config)#router rip

R4(config-router)#network 192.168.7.0

R4(config-router)#version 2

R4(config-router)#no auto-summary

R4(config-router)#exit

R4(config)#router ospf 1

R4(config-router)#redistribute rip subnets

R4(config-router)#router rip

R4(config-router)#redistribute ospf 1 metric 1

R4(config-router)#exit

R4#sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

R 192.168.8.0/24 [120/1] via 192.168.7.2, 00:00:12, Ethernet0/1

C 192.168.4.0/24 is directly connected, Ethernet0/0

C 192.168.5.0/24 is directly connected, Ethernet0/1

O 192.168.6.0/24 [110/20] via 192.168.5.2, 00:50:59, Ethernet0/1

C 192.168.7.0/24 is directly connected, Ethernet0/1

O IA 192.168.1.0/24 [110/40] via 192.168.4.1, 00:50:59, Ethernet0/0

O IA 192.168.2.0/24 [110/30] via 192.168.4.1, 00:50:59, Ethernet0/0

O IA 192.168.3.0/24 [110/20] via 192.168.4.1, 00:50:59, Ethernet0/0

R4#sh ip int br

Interface IP-Address OK? Method Status Protocol

Ethernet0/0 192.168.4.2 YES manual up up

Ethernet0/1 192.168.5.1 YES manual up up

Ethernet0/2 unassigned YES unset administratively down down

Ethernet0/3 unassigned YES unset administratively down down

R4#sh ip ospf

Routing Process "ospf 1" with ID 192.168.5.1

Start time: 00:24:13.648, Time elapsed: 00:58:09.592

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

Supports area transit capability

It is an autonomous system boundary router

Redistributing External Routes from,

rip, includes subnets in redistribution

Router is not originating router-LSAs with maximum metric

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs

LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 0. Checksum Sum 0x000000

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 1. 0 normal 0 stub 1 nssa

Number of areas transit capable is 0

External flood list length 0

Area 2

Number of interfaces in this area is 2

It is a NSSA area

Area has no authentication

SPF algorithm last executed 00:51:20.440 ago

SPF algorithm executed 6 times

Area ranges are

Number of LSA 10. Checksum Sum 0x04C12C

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 0

Flood list length 0

R4#sh ip route ospf

O 192.168.6.0/24 [110/20] via 192.168.5.2, 00:51:27, Ethernet0/1

O IA 192.168.1.0/24 [110/40] via 192.168.4.1, 00:51:27, Ethernet0/0

O IA 192.168.2.0/24 [110/30] via 192.168.4.1, 00:51:27, Ethernet0/0

O IA 192.168.3.0/24 [110/20] via 192.168.4.1, 00:51:27, Ethernet0/0

R4#

R5的配置

R5#

R5#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R5(config)#int e0/0

R5(config-if)#ip address 192.168.5.2 255.255.255.0

R5(config-if)#no sh

R5(config-if)#int e0/1

R5(config-if)#ip address 192.168.6.1 255.255.255.0

R5(config-if)#no sh

R5(config-if)#exit

R5(config)#router ospf 1

R5(config-router)#network 192.168.5.0 0.0.0.255 area 2

R5(config-router)#network 192.168.6.0 0.0.0.255 area 2

R5(config-router)#area 2 nssa

R5(config-router)#exit

R5#sh ip int br

Interface IP-Address OK? Method Status Protocol

Ethernet0/0 192.168.5.2 YES manual up up

Ethernet0/1 192.168.6.1 YES manual up up

Ethernet0/2 unassigned YES unset administratively down down

Ethernet0/3 unassigned YES unset administratively down down

R5#sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

O N2 192.168.8.0/24 [110/20] via 192.168.5.1, 00:54:20, Ethernet0/0

O 192.168.4.0/24 [110/20] via 192.168.5.1, 00:55:20, Ethernet0/0

C 192.168.5.0/24 is directly connected, Ethernet0/0

C 192.168.6.0/24 is directly connected, Ethernet0/1

O N2 192.168.7.0/24 [110/20] via 192.168.5.1, 00:55:20, Ethernet0/0

O IA 192.168.1.0/24 [110/50] via 192.168.5.1, 00:55:20, Ethernet0/0

O IA 192.168.2.0/24 [110/40] via 192.168.5.1, 00:55:20, Ethernet0/0

O IA 192.168.3.0/24 [110/30] via 192.168.5.1, 00:55:20, Ethernet0/0

R5#sh ip route ospf

O N2 192.168.8.0/24 [110/20] via 192.168.5.1, 00:54:27, Ethernet0/0

O 192.168.4.0/24 [110/20] via 192.168.5.1, 00:55:27, Ethernet0/0

O N2 192.168.7.0/24 [110/20] via 192.168.5.1, 00:55:27, Ethernet0/0

O IA 192.168.1.0/24 [110/50] via 192.168.5.1, 00:55:27, Ethernet0/0

O IA 192.168.2.0/24 [110/40] via 192.168.5.1, 00:55:27, Ethernet0/0

O IA 192.168.3.0/24 [110/30] via 192.168.5.1, 00:55:27, Ethernet0/0

R5#

R6的配置

R6#

R6#conf t

Enter configuration commands, one per line. End with CNTL/Z.

R6(config)#int e0/0

R6(config-if)#ip address 192.168.7.2 255.255.255.0

R6(config-if)#no sh

R6(config-if)#int e0/1

R6(config-if)#ip address 192.168.8.1 255.255.255.0

R6(config-if)#no sh

R6(config-if)#exit

R6(config)#router rip

R6(config-router)#network 192.168.7.0

R6(config-router)#network 192.168.8.0

R6(config-router)#version 2

R6(config-router)#no auto-summary

R6(config-router)#redistribute ospf 1 metric 1

R6(config-router)#exit

R6#sh ip route

Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

C 192.168.8.0/24 is directly connected, Ethernet0/1

R 192.168.4.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R 192.168.5.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R 192.168.6.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

C 192.168.7.0/24 is directly connected, Ethernet0/0

R 192.168.1.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R 192.168.2.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R 192.168.3.0/24 [120/1] via 192.168.7.1, 00:00:01, Ethernet0/0

R6#sh ip int br

Interface IP-Address OK? Method Status Protocol

Ethernet0/0 192.168.7.2 YES manual up up

Ethernet0/1 192.168.8.1 YES manual up up

Ethernet0/2 unassigned YES unset administratively down down

Ethernet0/3 unassigned YES unset administratively down down

R6#

SW1的配置

SW1#conf t

SW1(config)#int range f1/0 -2

SW1(config-if)#switchport mode trunk

SW1(config-if)#no sh

SW1#

转载于:https://blog.51cto.com/guochenyong/1979397

https://www.dkcj.cn/info/26581.html

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2019独角兽企业重金招聘Python工程师标准>>> 博客文章收录慢？内容收录不全？马上使用百度WordPress结构化数据插件，轻松解决博客内容的收录问题，同时内容还能够在搜索结果中获得更丰富的展现，提高用户点击率…

编程日记2024/11/08 08:10:00

MailMail、RegeX等程序的云端版

云端是一款优秀的国产软件，它通过虚拟环境的方式使软件与系统隔离，使软件做到免安装、易于删除、不留残余垃圾。 （这里捎带提醒一下，云端与Visual Studio有冲突，必须在禁用云端服务的情况下安装，详见《Visu…

编程日记2024/11/08 08:00:00

java静态/动态成员变量、初始化块，父类/子类构造函数执行顺序问题

2019独角兽企业重金招聘Python工程师标准>>> /* * 几大原则 * 一、静态成员变量（Static） * 1、静态成员变量为类变量，所有对象共享同一内存空间 * 2、静态成员变量的声明和定义仅在首次加载类时执行一次 * 3、首次加载类…

编程日记2024/11/08 07:50:00

什么？我要对AI礼貌？人机交互面临的道德漏洞

作者 | 库珀来源 | 数据实战派头图 | 付费下载于 IC Photo如果你在一条道路上行驶，突然前面拐弯处出现一辆无人驾驶汽车，你会继续坚持你的道路优先权，还是让位使它先过去？目前，我们大多数人在涉及其他人的情况下能表现…

编程日记2024/11/08 07:40:00

C#多线程共享数据

在多线程编程中,我们经常要使用数据共享.C#中是如何实现的呢?很简单,只要把你要共享的数据设置成静态的就可以了.关键字static .如下: static Queue q1new Queue(); static int b0; 在这里我定义了一个整形变量b和队列q1. 接下去就可以创建多线程代码了.如下: MyThread m…

编程日记2024/11/08 07:30:00

异常-----Java compiler level does not match解决方法

假如你现在还在为自己的技术担忧，假如你现在想提升自己的工资，假如你想在职场上获得更多的话语权，假如你想顺利的度过35岁这个魔咒，假如你想体验BAT的工作环境，那么现在请我们一起开启提升技术之旅吧，详情请…

编程日记2024/11/08 07:20:00

求几亿个数中不重复元素的个数

题目： 有2.5亿个无符号整数（但在文件里面），要求找出这2.5亿个数字里面，不重复的数字的个数（那些只出现一次的数字的数目）；另外，可用的内存限定为600M；要求算法…

编程日记2024/11/08 07:10:00

进一步提升用户信息安全保护意识小米安全与隐私宣传月完满落幕

6月29日，第二届小米安全与隐私宣传月活动完美落幕。活动通过多形式、多层次、全方位展示了小米在信息安全与用户隐私保护方面的实践和成就，进一步提升小米全体员工保护消费者个人信息的安全意识，为小米全线产品的安全防护水平奠定基础。闭幕…

编程日记2024/11/08 07:00:00

已知2个整形数据a,b.不使用if,?:以及其他任何条件判断的语法，找出a跟b中数据的大者。

已知2个整形数据a,b.不使用if,?:以及其他任何条件判断的语法，找出a跟b中数据的大者。答案： int max(int a,int b){return (ababs(a-b))/2;}类似的请定义一个宏，比较两个数a、b的大小，不能使用大于、小于、if语句答案&#xff1…

编程日记2024/11/08 06:50:00

flume源码学习8-hdfs sink的具体写入流程

上一篇说了HDFSEventSink的实现，这里根据hdfs sink的配置和调用分析来看下sink中整个hdfs数据写入的过程： 线上hdfs sink的几个重要设置 12345678hdfs.path hdfs://xxxxx/%{logtypename}/%Y%m%d/%H： hdfs.rollInterval 60 hdfs.rollSize 0…

编程日记2024/11/08 06:40:00

详解zabbix中文版安装部署

一、zabbix简介（摘自百度百科）zabbix是一个基于WEB界面的提供分布式系统监视以及网络监视功能的企业级的开源解决方案。zabbix能监视各种网络参数，保证服务器系统的安全运营；并提供柔软的通知机制以让系统管理员快速定位/解决存在…

编程日记2024/11/08 06:30:00

赠书 | 图解机器学习算法，看这文就够了！

机器学习指的是计算机根据给定的问题、课题或环境进行学习，并利用学习结果解决问题或课题等的一整套机制（图 1-1）。图 1-1　分类的示意图与机器学习共同成为热门话题的还有人工智能和深度学习。这里梳理一下它们之间的关系（图 1-…

编程日记2024/11/08 06:20:00

C#获得文件版本信息及只读文件的删除

获取文件的版本信息: FileVersionInfo myFileVersionInfo1 FileVersionInfo.GetVersionInfo("D://TEST.DLL"); textBox1.Text"版本号: " myFileVersionInfo1.FileVersion; 更改文件属性，删除只读文件： 下例欲将E:/test.txt文件…

编程日记2024/11/08 06:10:00

组策略从入门到精通（二）如何区别跨越WAN网的计算机对组策略的套用

如果客户机与DC中间跨越了网络，造成传输速率慢的情况，我们希望通过策略中的一些元素，达成对这些计算机的另类处理。但我们并不知道这些计算机哪些与我们DC之间属于低速连接，哪些属于高速连接，那么我们要如何通过组策略…

编程日记2024/11/08 06:00:00

插入记录时单引号的处理

由于Content, Title中可能包含单引号，直接使用sql的insert命令会报错，对此有两种处理方法，一种将单引号替换成两个单引号，第2种方法是使用存储过程。表myBBS的格式定义如下： CREATE TABLE [dbo].[myBBS] ( [ID] [bi…

编程日记2024/11/08 05:50:00

仅用 480 块 GPU 跑出万亿参数！全球首个“低碳版”巨模型 M6 来了

继今年 3 月阿里达摩院发布国内首个千亿参数多模态大模型 M6（MultiModality-to-MultiModality MultitaskMega-transformer，以下简称 M6） 之后，6 月 25 日，达摩院宣布对 M6 进行全新升级，带来“低碳版”巨模…

编程日记2024/11/08 05:40:00

怎样将jpg转换成pdf软件

为什么80%的码农都做不了架构师？>>> 怎样将jpg转换成pdf软件序言： 企业或个人通常会遇到设备终端软件的兼容性和支持性问题，比如，JPG转PDF文本，这给等于给用户设置了一个门槛，遇到需要将JPG转换…

编程日记2024/11/08 05:30:00

二叉树的层次遍历 II

给出一棵二叉树，返回其节点值从底向上的层次序遍历（按从叶节点所在层到根节点所在的层遍历，然后逐层从左往右遍历） 样例给出一棵二叉树 {3,9,20,#,#,15,7}, 3/ \9 20/ \15 7 按照从下往上的层次遍历为： [[15,7],[…

编程日记2024/11/08 05:20:00

jquery autocomplete实现solr查询字段自动填充并执行查询

2019独角兽企业重金招聘Python工程师标准>>> 页面引入三个JS： <script type"text/javascript" src"js/jquery-1.7.2.js"></script> <script type"text/javascript" src"js/jquery-ui.js">&l…

编程日记2024/11/08 05:10:00

C#使用CDO发送邮件

可以引用的COM组件列表，发现里面有一个名为Microsoft CDO For Exchange 2000 Library的COM组件，就是这个，我们可以用它来连接SMTP Server，使用用户名/密码验证发送邮件。下面是实现的一个例子： Smtp Server使用的Smtp…

编程日记2024/11/08 05:00:00

干货 | 当 YOLOv5 遇见 OpenVINO，实现自动检测佩戴口罩

YOLOv5网络YOLOv5代码链接：https://github.com/ultralytics/yolov5YOLOv5 于2020年6月横空出世！一经推出，便得到CV圈的瞩目，目前在各大目标检测竞赛、落地实战项目中得到广泛应用。 YOLOv5在COCO上的性能表现：YOLOv5一…

编程日记2024/11/08 04:50:00

Ubuntu 16.04安装双显卡驱动方法收集

说明：不一定有效，要不断尝试。 http://www.linuxwang.com/html/2150.html http://blog.csdn.net/feishicheng/article/details/70662094>如有问题，请联系我：easonjim#163.com，或者下方发表评论。<

编程日记2024/11/08 04:40:00

C#中的类型转换

C# 出来也有些日子了，最近由于编程的需要，对 C# 的类型转换做了一些研究，其内容涉及 C# 的装箱/拆箱/别名、数值类型间相互转换、字符的 ASCII 码和 Unicode 码、数值字符串和数值之间的转换、字符串和字符数组/字节数组之间的转换、各种数值…

编程日记2024/11/08 04:30:00

解构 StyleCLIP：文本驱动、按需设计，媲美人类 P 图师

来源 | HyperAI超神经（ID:HyperAI）作者 | 神经三羊StyleCLIP 是一种新型「P 图法」，它结合了 StyleGAN 和 CLIP，可以仅依据文本描述，对图像进行修改和处理。提起 StyleGAN 大家都不陌生。这个由 NVIDIA 发布的新型生成…

编程日记2024/11/08 04:20:00

nexus 4 下 DualBootInstallation 安装 ubuntu touch

最近折腾ubuntu for phone ubuntu也算是雷声大雨点小，从edge手机开始，到说兼容一大部分谷歌机，到现在缩水说只适配nexus 4 节操掉了一地啊，对付这种情况，ubuntu touch也就可以只装着玩玩了，还好ubuntu 官方…

编程日记2024/11/08 04:10:00

我的家庭私有云计划-13

嗯，昨天算由感而发啊，大家看看就好了。嗯，接着说咱们的云。先说啊，我没打算在这个领域里面完全自研，我还没那么疯，这个呢属于一体化解决方案，我认为还是社会分工合作的结果，不强调…

编程日记2024/11/08 04:00:00

C语言return函数

return函数说到return,有必要提及主函数的定义。很多人甚至市面上的一些书籍，都使用了void main( )这一形式 ，其实这是错误的。 C/C 中从来没有定义过void main( ) 。C 之父 Bjarne Stroustrup 在他的主页上的 FAQ 中明确地写着： The defi…

编程日记2024/11/08 03:50:00

怎样写出一个较好的高速排序程序

写出一个较好的高速排序程序高速排序是经常使用的排序算法之中的一个，但要想写出一个又快又准的使用程序，就不是那么简单了须要注意的事项首先要写正确。通常使用递归实现。其递归相当于二叉树展开，因此假设要用迭代实现的话须要使用一个队…

编程日记2024/11/08 03:40:00

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